Locks for Awning Windows Whitco CYL4 Mini Push LockSuitable for sliding, casement, awning or double hung windows. Whitco CYL4 Mini Window BoltSuitable for sliding, casement, awning or double hung windows. Whitco CYL4 Multi BoltSuitable for sliding, casement, awning or double hung windows. Whitco CYL4 Window BoltSuitable for sliding, casement, awning or double hung windows. Whitco Series 25 Window LockSuitable for awning and casement windows. Whitco 5 Disc Lockable ChainwinderChain type operator for awning windows. Whitco CYL4 Lockable ChainwinderChain type operator for awning windows.